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TC4467
TC4468
TC4469
LOGIC-INPUT CMOS QUAD DRIVERS
GENERAL DESCRIPTION
FEATURES
The TC446X family of four-output CMOS buffer/drivers
are an expansion from our earlier single- and dual-output
drivers. Each driver has been equipped with a two-input
logic gate for added flexibility.
The TC446X drivers can source up to 250 mA into loads
referenced to ground. Heavily loaded clock lines, coaxial
cables, and piezoelectric transducers can all be easily
driven with the 446X series drivers. The only limitation on
loading is that total power dissipation in the IC must be kept
within the power dissipation limits of the package.
The TC446X series will not latch under any conditions
within their power and voltage ratings. They are not subject
to damage when up to 5V of noise spiking (either polarity)
occursonthegroundline. Theycanacceptuptohalfanamp
of inductive kickback current (either polarity) into their out-
puts without damage or logic upset. In addition, all terminals
are protected against ESD to at least 2000V.
■ High Peak Output Current ............................... 1.2A
■ Wide Operating Range ............................ 4.5 to 18V
■ Symmetrical Rise and Fall Times................25nsec
■ Short, Equal Delay Times ............................75nsec
■ Latchproof! Withstands 500mA Inductive Kickback
■ 3 Input Logic Choices
— AND / NAND / AND + Inv
■ 2kV ESD Protection on All Pins
APPLICATIONS
■ General-Purpose CMOS Logic Buffer
■ Driving All Four MOSFETs in an H-Bridge
■ Direct Small Motor Driver
■ Relay or Peripheral Drivers
■ CCD Driver
■ Pin-Switching Network Driver
ORDERING INFORMATION
Part No.
Package
Temp. Range
TC446xCOE
TC446xCPD
TC446xEJD
TC446xMJD
16-Pin SOIC (Wide)
14-Pin Plastic DIP
14-Pin CerDIP
0° to +70°C
0° to +70°C
– 40° to +85°C
– 55° to +125°C
14-Pin CerDIP
x indicates a digit must be added in this position to define the device
input configuration: TC446x — 7
NAND
AND
AND with INV
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9
LOGIC DIAGRAMS
V
V
V
TC446X
TC4468
TC4469
TC4467
DD
14
DD
14
DD
14
V
DD
1
1
1
1A
2
1A
13
12
11
10
13
12
11
10
1A
2
13
12
11
10
1Y
2Y
3Y
4Y
1Y
1Y
2Y
3Y
4Y
2
1B
1B
1B
3
3
4
3
2A
4
2A
2B
2A
4
OUTPUT
2Y
3Y
4Y
2B
2B
5
5
6
5
3A
6
3A
3B
3A
6
3B
3B
8
8
9
8
4A
9
4A
4B
4A
9
4B
4B
7
7
7
GND
GND
GND
TC4467/8/9-6 10/21/96
TELCOM SEMICONDUCTOR, INC.
4-261